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nikolas.e

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Reply with quote  #1 
Few days ago i recently noticed on a Proliant DL 160 G6 server  having 2 X 160GB HDD that one of the disks has failed (Amber light). Checking though from the Array Configuration Utility i see this results.

Capture2.PNG 
  

The results here kinda confused me. The failed disk i removed was also 160GB HDD and here i see Array A with 1 Logical Drive which is acting as Raid 0? How is that possible?

And Array B with 1 Logical Drive of size 232.9 acting also as Raid 0? But the disk i removed was 160GB.

My question is are this disks acting as standard alone disks and not configured as Raid and it shows them as raid 0?
Also why does the logical drive 2 shows 232.9 GB instead of 160GB(the disk i removed?)


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nikolas.e

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Reply with quote  #2 
I was gonna edit the topic but i decided to reply to my self. Array A it is only 1 physical disk and not Raid(Checked). Also Array B was 1 Physical disk and no Raid(Checked). Now on the Server the only Array that exists and working is Array A. Is it possible to delete Array B with out causing any issues and add a new disk to create a Raid 1 for Array A with out losing any data?



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wobble_wobble

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Reply with quote  #3 
Yes you can delete the failed array without effecting array A.
Array B would not have come back up as the replacement disk was too small.
Is the OS complaining about a missing disk?

I've seen similar where a disk failed and it was replaced but the replacement was incorrect and not checked.

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nikolas.e

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Reply with quote  #4 
Hi Joe and good morning everyone. No server was not complaining and i realized that this server configuration was messed up.It never had never any disk on it configured as any raid either 0 or 1.  bay 3 disk was not existent and  i decided to delete Array B and currently this moment am backing up the server using wsb so i will restart the system and configure if possible the new 160gb hdd with the existing one 160gb hdd as raid 1.


Edit: Heck it is not possible to create Raid 1 when there is data(OS) on the disk 1?

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nikolas.e

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Reply with quote  #5 
I tried to create a Raid 1 between the currently running disk with OS and the unassigned disk (Both same size and model). Unfortunately after rebooting and accessing P410 there is no option to create raid between the two of them. I guess the only solution will be to delete all logical volumes which will wipe out all data on it and create a Raid 1 between the disks and then restore from backup. I will not do that now also maybe there is a firmware upgrade for the p410 raid card that will enable this options if its possible? The good part is that i have backups in case of anything thank god.
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cj_berlin

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Reply with quote  #6 
See https://community.hpe.com/t5/ProLiant-Servers-ML-DL-SL/P410i-Array-Controller-Convert-Raid-0-to-Raid-1/td-p/5573355
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lady_mcse

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Reply with quote  #7 
Oh cool, I was going to say I didn't think 0 to 1 conversion was possible, but thanks for the link CJ! 

Word of warning, those batteries referenced in the article don't last forever.  Some of the commenters talk about just borrowing the equipment from another machine.  I wouldn't try it without fresh batteries known to be in good condition. 
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nikolas.e

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Reply with quote  #8 
Cj that was very helpful thank you very much. I will forward the link to the IT manager to check it out.
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